Nematus leucotrochus Hartig Palespotted gooseberry sawfly

This species is associated with gooseberry and, occasionally, red currant and white currant. Unlike Nematus ribesii (p. 251), it is univoltine; adults occur in May and the larvae feed mainly in May and June. The larvae, which usually occur in

Fig. 337 Larva of pale-spotted gooseberry sawfly. Nematus leucotrochus (x4).

only small numbers, are distinguished from those of N. ribesii by their green, black-spotted head and their smaller pinacula (Fig. 337).

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